Merge pull request chrislennon#85 from chrislennon/offline-cache

adds offline caching functionality

Merge pull request chrislennon#74 from chrislennon/feature/display-tidy

Feature/display tidy

Merge pull request chrislennon#56 from chrislennon/feature/output-for…

…matting-options

adds formatting options

Merge pull request chrislennon#43 from chrislennon/feature/icon-colours

Feature/icon colours

Merge pull request chrislennon#36 from chrislennon/feature/crypto-def…

…ault-colours

adds default colours for coins

remove jq steps from documentation